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CAS RN: 139756-21-1 | Product Number: E1134
5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone
![Chemical Structure of 5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone](/medias/E1134.jpg?context=bWFzdGVyfHJvb3R8NTQ5NTR8aW1hZ2UvanBlZ3xhR1ptTDJnM01DODRPVEl4TmpJek9UVXpORE00TDBVeE1UTTBMbXB3Wnd8NWJjNWU3YWNlMGVhMDk3NmFiN2E4N2FkMjJmZGFiNTc4ZGFhNjNiOTkzNGVhMDU0OWNkODQxZTRmZjM3NGY5Mw "5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone")
![Thumbnail of 5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone](/medias/E1134.jpg?context=bWFzdGVyfHJvb3R8MTYzMTh8aW1hZ2UvanBlZ3xhRFptTDJoall5ODRPVE0xTURjNU56TTVOREl5TDBVeE1UTTBMbXB3Wnd8NTIxNTI1ZjRjNTBkNDI1NTU4ZDU5ODlhNjE1NWRlNmQ0ODkwMjRkYTgzNmIyNDBiMzIyY2Q4NjE1MjYxODQwMA)
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![5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone](/_ui/responsive/theme-tci/images/missing_product_zoom.jpg "5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone")
Purity: >98.0%(T)(HPLC)
Synonyms:
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days | Other Lead Time | Quantity |
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|---|---|---|---|---|---|---|
| 5G |
S$45.00
|
7 | 0 | Contact Us |
|
|
| 25G |
S$144.00
|
26 | 1 | Contact Us |
|
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| Product Number | E1134 |
Purity / Analysis Method 
|
>98.0%(T)(HPLC) |
| Molecular Formula / Molecular Weight | C__1__7H__2__0N__4O__2 = 312.37 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 139756-21-1 |
| Reaxys Registry Number | 7658133 |
| PubChem Substance ID | 354333432 |
| MDL Number | MFCD04088989 |
Specifications
| Appearance | White to Light yellow to Light orange powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Nonaqueous Titration) | min. 98.0 % |
| Melting point | 143.0 to 147.0 °C |
Properties (reference)
| Melting Point | 145 °C |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
Related Laws:
Transport Information:
| H.S.code* | 2933.99-000 |
Application
A Related Substance of Sildenafil Citrate
This reagent is a related substance of sildenafil citrate [S0986] which is a cGMP-specific phosphodiesterase 5 (PDE5) inhibitor.
References
- Determinaton of sildenafil citrate and related substances in the commercial products and tablet dosage form using HPLC
- Separation and determination of synthetic impurities of sildenafil (viagra) by reversed-phase high-performance liquid chromatography
- A facile and improved synthesis of sildenafil (Viagra) analogs through solid support microwave irradiation possessing tyrosinase inhibitory potential, their conformational analysis and molecular dynamics simulation studies
PubMed Literature
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